[Samba] default idmap is rid backend

[Marc Muehlfeld]

Hi Chris,

Am 23.07.2017 um 18:49 schrieb Chris via samba:
> on a Samba 4.3.8 member server the
> 
> idmap config *:backend = rid
> 
> The documentation states you shouldn't do that.
> 
> Nevertheless, the server seems to be working fine. Do I have to expect any
> consecutive faults?

Yes. That's why our docs say that using "rid" as default back end is not
supported.

Incorrect ID mappings caused a lot of support requests. That's why Samba
4.6 and later won't start in such cases. See:
https://www.samba.org/samba/history/samba-4.6.0.html

Regards,
Marc